When you try to start the Database Control by using the emctl start dbconsole command the following error is displayed：  TZ set to America/New_york  OC4J Configuration issue.  /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com not found.  Which two environment variables do you need to set appropriately to avoid such errors and start the Database Control successfully？（）

• A、NLS_LANG
• B、ORACLE_SID
• C、ORACLE_HOME
• D、ORACLE_BASE
• E、LD_LIBRARY_PATH